【题目】The rain yesterday was heavy and ______ the roads were flooded.
A. however B. otherwise
C. therefore D. consequently
在线课程【答案】D
【解析】
试题分析：考查副词。句意：昨天的雨很大，结果道路泛洪。A. however但是；B. otherwise否则；C. therefore 因此；D. consequently结果是；本句表示的是由于大雨造成的后果，是表示结果，故选D项。